Centretown Observatory:

Baro. Pressure + Rel. Humidity

Times in Eastern Daylight Time (EDT = GMT-4)

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   LIVE OBSERVATIONS at CTO Weather Centre - Thursday, June 4, 2026 at 14:54 EDT
   TODAY:

   Thursday

   Reading

   Time

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Current Barometric Pressure:

               

   Maximum Today:

06:14     2015      

   Minimum:

14:29           2018

   Mean:

  2015 2018
 

   Current Relative Humidity:

30 %   32 %                

   Maximum Today:

69 % 04:04 86 %     96 % 2017      

   Minimum:

30 % 14:49 32 %           34 % 2022

   Mean:

50 %   59 % 57 % 79 % 2017 42 % 2013
 

   YESTERDAY:

   Wednesday

   Reading

   Time

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Maximum Barometric Pressure:

07:54   2015      

   Minimum:

23:39           2020

   Mean:

   mb 2015 2020
 

   Maximum Relative Humidity:

62 % 05:49 72 %     95 % 2024      

   Minimum:

18 % 15:14 17 %           18 % 2026

   Mean:

40 %   44 % 62 % 80 % 2020 40 % 2026
 

   TOMORROW:

   Friday

         

   Normal

   RecHi

   YY

   RecLo

   YY

   Barometric Pressure:

              2013 2018

   Daily Mean BP:

           mb 2013 2018
 

   Relative Humidity:

              97 % 2017 28 % 2020

   Daily Mean RH:

          64 % 88 % 2017 44 % 2013
 

   THIS MONTH:

   Jun Means + Records

   Mean

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Monthly Mean BP:

 mb 2020 2018
 

   Monthly Mean RH:

46 % 52 % % 71 % 2024 56 % 2016
 

   Daily Extremes + Records

   Max

   DD

   Min

   DD

   RecHi

   YY-DD

   RecLo

   YY-DD

   Barometric Pressure:

02 01 2020-15 2018-29

   Daily Mean BP:

02 01 2020-14 2018-29
 

   Relative Humidity:

77 % 02 18 % 03 100 % 2021-13 0 % 2019-16

   Daily Mean RH:

49 % 01 40 % 03 94 % 2013-07 28 % 2019-08
 

   LAST MONTH:

   May Means + Records

   Mean

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Mean Barometric Pressure:

 mb 2023 2017
 

   Mean Relative Humidity:

60 % 63 % 56 % 68 % 2024 44 % 2023
 

   Daily Extremes + Records

   Max

   DD

   Min

   DD

   RecHi

   YY-DD

   RecLo

   YY-DD

   Barometric Pressure:

22 05 2023-26 2023-01

   Daily Mean BP:

22 04 2023-26 2023-01
 

   Relative Humidity:

99 % 13 21 % 03 99 % 2013-23 1 % 2017-01

   Daily Mean RH:

92 % 24 42 % 03 92 % 2026-24 1 % 2017-01
 

   NEXT MONTH:

   July Monthly Records

     Normal

   RecHi

   YY

   RecLo

   YY

   Mean Barometric Pressure:

   mb 2013 2018
 

   Mean Relative Humidity:

  58 % 69 % 2024 49 % 2012
 

   July Daily Records

 

   RecHi

   YY-DD

   RecLo

   YY-DD

   Barometric Pressure:

  2019-26 2018-11

   Daily Mean BP:

  2019-26 2018-11
 

   Relative Humidity:

  99 % 2025-08 2 % 2019-08

   Daily Mean RH:

  95 % 2024-10 34 % 2012-20
 

   THIS YEAR:

   2026 Means + Records

   Mean

   Airport

   Normal

   RecHi

   YY

   RecLo

   YY

   Annual Mean BP:

 mb 2013 2012
 

   Annual Mean RH:

68 % 66 % 61 % 77 % 2026 54 % 2013
 

   Monthly Extremes + Records

   Max

   MM

   Min

   MM

   RecHi

   YY-MM

   RecLo

   YY-MM

   Monthly Mean BP:

Mar Jan 2023-May 2018-Jul
 

   Monthly Mean RH:

77 % Jan 60 % May 83 % 2023-Jan 22 % 2017-Apr
 

   Daily Extremes + Records

   Max

   MM-DD

   Min

   MM-DD

   RecHi

   Date

   RecLo

   Date

   Barometric Pressure:

Jan-24 Mar-17 2023-05-26 2021-08-10

   Daily Mean BP:

Jan-24 Mar-17 2023-05-26 2021-08-10
 

   Relative Humidity:

99 % Mar-07 18 % Apr-23 100 % 2021-06-13 0 % 2019-06-16

   Daily Mean RH:

98 % Apr-16 35 % Apr-23 100 % 2022-12-31 1 % 2017-03-27
 

   LAST YEAR:

   2025 Means

   Mean

   Airport

   Normal

   Annual Mean BP:

 mb
 

   Annual Mean RH:

67 % 72 % 61 %

   Monthly Extremes

   Max

   MM

   Min

   MM

   Monthly Mean BP:

Oct Mar
 

   Monthly Mean RH:

80 % Nov 59 % Aug

   Daily Extremes

   Max

   MM-DD

   Min

   MM-DD

   Barometric Pressure:

Feb-02 Dec-29

   Daily Mean BP:

Oct-09 Dec-29
 

   Relative Humidity:

99 % Mar-04 14 % Oct-24

   Daily Mean RH:

94 % Oct-31 38 % May-11
This page was last regenerated 2026-06-04@14:55.
It is sheduled to be regenerated whenever there are new data; approximately every five minutes.
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BP - Live - Today:
 

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BP - Live - Yesterday:
 

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BP - Live - Past 7 Days:
 

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